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Difference and ratio information in children's and adults' memory representations
1Department of Psychology, Memorial University of Newfoundland, Sir Wilfred Grenfell College, Canada.
Journal of Experimental Child Psychology
|April 1, 1992
Summary
This study examined how children and adults process line length information in memory. Reaction times suggest that numerical relationships, like differences and ratios, are preserved, supporting analog representation theories.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Understanding how abstract information, such as length, is encoded and retrieved from memory is crucial in cognitive development.
- Previous research suggests different coding strategies may be employed across age groups.
Purpose of the Study:
- To investigate whether length information is stored in memory preserving numerical relations.
- To examine age-related differences in the representation of quantitative information.
Main Methods:
- Choice reaction time task involving 8-, 10-, 12-year-olds, and adults.
- Subjects learned unique line length-color associations.
- Tested memory recall by presenting color pairs and asking to identify the longer associated line.
Main Results:
- Choice reaction times were significantly correlated with both the differences and ratios between line lengths across all age groups.
- This indicates that quantitative relational information is maintained in memory.
Conclusions:
- The findings support the analog theory of representation, suggesting that memory codes preserve the continuous, relational properties of stimuli.
- This provides evidence for a consistent representational strategy across development for quantitative information.
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